2021 HKD to STD Historical Review
A comprehensive breakdown of exchange rate performance throughout the year 2021.
2021 HKD to STD Performance & Market Timing Review
Analysis of key historical highlights and timing insights for 2021
During 2021, the HKD to STD exchange rate experienced significant fluctuation. The market reached its absolute peak on December 9, valuing the pair at 2731.4776. Conversely, the yearly low was recorded on February 15, dropping to 2604.1716.
This high-to-low spread represents a total annual volatility of 127.3060 STD. From a start-to-finish perspective, comparing the January average rate of 2638.4473 to the December average rate of 2720.3789, the exchange rate registered a net change of 3.11% (reflecting a strengthening trend).
Looking at year-over-year peak valuations, the 2021 high of 2731.4776 was down 4.34% compared to the 2020 peak of 2855.3624, indicating shifts in long-term support levels.
Comparing the value generated converting 25,000 HKD based on timing:
Trend Visualization
Monthly average fluctuations over the course of 2021.
HKD to STD Seasonal Trends & Volatility Analysis
A structured review of seasonal halves, trading extremes, consecutive streaks, and historical baselines.
Seasonal Halves (H1 vs H2)
SeasonalThe average exchange rate in the first half of the year (H1: Jan–Jun) was 2649.6553, compared to 2682.2981 in the second half (H2: Jul–Dec). This shows that the rate was stronger in the second half (Jul–Dec) by a margin of 32.6428 points.
Volatility Range Comparison
VolatilityThe most volatile month in 2021 was March, with a trading range of 63.4075 STD (High: 2681.1082 / Low: 2617.7008). On the other end, May was the most stable month, with a tight range of 2.9782 STD (High: 2672.0905 / Low: 2669.1124).
Growth Streaks & Declines
TrendsBetween June and December, the exchange rate recorded its longest consecutive growth streak of the year, climbing for 6 straight months. Conversely, the sharpest month-over-month decline occurred between May and June, when the average rate fell by 26.7426 points.
Same-Month Historical Baseline
YoY BaselineComparing the current year's strongest month average (December 2021: 2720.3789) against the same month in 2020 (average: 2666.8768), the exchange rate shifted by +53.5021 (+2.01%).
Monthly Breakdown
Statistical summary for each calendar month.
| Month | High | Low | Average |
|---|---|---|---|
| January | 2641.7113 | 2629.8646 | 2638.4473 |
| February | 2640.3289 | 2604.1716 | 2628.5782 |
| March | 2681.1082 | 2617.7008 | 2646.8668 |
| April | 2680.1176 | 2658.2572 | 2669.8139 |
| May | 2672.0905 | 2669.1124 | 2670.4842 |
| June | 2673.3824 | 2621.3607 | 2643.7416 |
| July | 2663.8455 | 2641.9961 | 2652.3192 |
| August | 2674.4758 | 2655.0635 | 2663.9662 |
| September | 2701.0165 | 2658.0339 | 2664.9319 |
| October | 2701.4779 | 2683.8514 | 2691.6425 |
| November | 2719.7718 | 2685.5991 | 2700.5497 |
| December | 2731.4776 | 2714.3193 | 2720.3789 |